PD 8010-2-2004 管道的实用规程.第2部分:海底管线

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【英文标准名称】:Roadverticalsigns-Variablemessagetrafficsigns-Productstandard
【原文标准名称】:道路垂直标志.可变信息交通标志.产品标准
【标准号】:BSEN12966-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-05-06
【实施或试行日期】:2005-05-06
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:反光;尺寸;标记;公差(测量);道路安全;夹持装置;合格;设计;特性;数学计算;亮度;变换时间;可变信息标志;规范(验收);定义;照明系统;负荷;作标记;图形符号;试验;分辨;颜色;CE标记;可视性;垂直;交通信号;质量要求;公路交通信号;CE标志;静止的;清晰度;变量;信号系统;壳体;交通标志;交通标志;性能;图形显示字符;反射的;亮度系数;固定件;道路运输
【英文主题词】:Bodies;CEmarking;Change-overtimes;Colour;Conformity;Definition;Definitions;Design;Dimensions;Fixings;Graphiccharacters;Graphicsymbols;Highwaytrafficsignal;Holdings;Legibility;Lightingsystems;Loading;Luminance;Luminancefactor;Marking;Marks;Mathematicalcalculations;Performance;Properties;Qualityrequirements;Recognition;Reflective;Retroreflecting;Roadsafety;Roadsigns;Roadtransport;Signalsystems;Specification(approval);Stationary;Testing;Tolerances(measurement);Trafficsignals;Trafficsigns;Variable;Variablemessagesigns;Vertical;Visibleness
【摘要】:ThisdocumentspecifiesrequirementsandtestmethodsfornewVariableMessageSigns(VMS).VMScomprisetwotypes,continuousanddiscontinuoussigns:-continuoussignsarethosethataresimilartofixedsigns,theonlydifferencebeingthatbysomeelectro-mechanicalmeanstheycanshowvariousmessages.NOTE1Forexamplerotatingprismsigns,rollerblinds.-discontinuoussignscreatemessagesusingindividualelementsthatcanbeinoneoftwostates(ormore)andcantherebycreatevariousmessagesonthesamesignface.NOTE2Forexamplefibreopticsigns,LEDsigns.ThisdocumentcoverstheperformancerequirementsforVariableMessageSignsusedfortheinstructionandguidanceofroadusersonpublicandprivateland,includingtunnels.Inthisdocumentanumberofdifferentperformancerequirements(visualperformance,EMC,environmentalperformance,etc)arecovered,aswellasdurability.TheEMC,safetyandenvironmentalrequirementsforbothtypesofVMSareincludedinthisdocumenttogetherwiththevisualperformanceforthediscontinuoustypesVMS.ThevisualperformanceforcontinuoussignsanddiscontinuoussignswhichareexternallyilluminatediscoveredbyEN12899-1.Thisdocumentdefinesperformancelimitsandarangeofperformanceclassesforbothsignassemblieswithoutverticalsupportandassembliescompletewithverticalsupport.Notcoveredbythisdocumentare:a)signgantries,cantileversandfoundations;b)portableandtemporaryVMS;c)signalheads;d)sizesandshapesofVMSmessages;e)controlunitsandmonitoringunitsunlessinsidethetestmodule.
【中国标准分类号】:R87
【国际标准分类号】:93_080_30
【页数】:74P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforTotalPeroxidesinAcrylonitrile
【原文标准名称】:丙烯腈中过氧化物总含量的标准试验方法
【标准号】:ASTME1784-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbance;acrylonitrile;colorimeter;peroxide;spectrophotometer;Absorbance;Acrylonitrile;Colorimetricanalysis;Peroxides;Spectrophotometry;Totalperoxides
【摘要】:Thistestmethodprovidesforthedeterminationoftotalperoxideinacrylonitrileintherangeof0.1to0.6ppm.Onlyperoxidesorotheroxidantsthatreactundertheconditionsofthistestmethodaremeasured.1.1Thistestmethoddescribesaprocedurefordeterminingthetotalperoxidecontentofacrylonitrileintherangeof0.1to0.6mgH2O2/kgacrylonitrile(ppm).Peroxidesareanundesirableimpurityinacrylonitrile.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.1.4ReviewthecurrentMaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,firstaidprocedures,andsafetyprecautions.
【中国标准分类号】:G17
【国际标准分类号】:71_080_30
【页数】:3P.;A4
【正文语种】:英语